7850978996 has 12 divisors (see below), whose sum is σ = 15701958048. Its totient is φ = 3364705272.

The previous prime is 7850978969. The next prime is 7850979011. The reversal of 7850978996 is 6998790587.

7850978996 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140196026 + ... + 140196081.

It is an arithmetic number, because the mean of its divisors is an integer number (1308496504).

Almost surely, 2^7850978996 is an apocalyptic number.

It is an amenable number.

7850978996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7850978996 is a wasteful number, since it uses less digits than its factorization.

7850978996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280392118 (or 280392116 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 68.

The square root of 7850978996 is about 88605.7503551547. The cubic root of 7850978996 is about 1987.5036664410.

The spelling of 7850978996 in words is "seven billion, eight hundred fifty million, nine hundred seventy-eight thousand, nine hundred ninety-six".